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Our B-stock products are 100% functional, used, in good condition, with superficial scratches, and delivered in brown box packaging
All B-stock products have a 90-day warranty period.
Prolong your battery's life with proper charging and maintenance. The Duracell 4 Amp Charger/Maintainer can take depleted batteries from dead-to-start in just 2 hours.
The Charger/Maintainer's multi-stage charging protocol ensures an optimal charge on all types of 12V and 6V SLA/AGM, and Lithium-Ion vehicle batteries, and features a maintenance mode that's ideal for keeping stored batteries topped off between uses.
The 4 Amp charger/maintainer features a backlit LCD screen for best in class user experience, and is rated IP65 for weatherproof construction.
The charger includes alligator clamps for periodic charging, as well as ring terminals for semi-permanent battery attachment (ideal for maintenance). Switching between clamps and rings is safe and simple thanks to the charger's quick-connect cable system.
Purchase replacement Ring Terminals
This product can expose you to chemicals including Di(2-ethylhexyl) Phthalate (DEHP), which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
4 amp battery charger B-Stock
Looks and works like new.
An work perfect no complaints definitely recommended buy this products
Keeps my battery charged
Simple to use!
W.ell made and easy to use for the non-gear-head
Great product at a nice price
I needed a new one after my battery Tender took a dump! I had purchased. Power station from Costco and registered it and was getting emails about Duracell products and decided to purchase a 4 amp battery trickle charger and a jumper box! I am extremely with all 3 of my Duracell products. Pretty impressive!
There is a protective sticker on the LCD screen; Please make sure it has been removed.
The charger reconditions the battery as it charges. It can take up to 24 hours to fully charge the battery. Once the battery is fully charged, the bar will no longer flash.
The bars on the LCD screen will be solid, instead of flashing.
Yes. Once the battery is charged, you can leave the maintainer connected to the battery to keep the battery in a charged state, so it will be ready when you are. You only need to unplug the unit from the wall before starting your vehicle.
You would need to connect the the ring terminal to the bolt that comes out of the connector on your battery, not the battery post itself.
The charger has safety features built in. If the charger can not detect that it is connected to a battery, then it will not send a charge through the cables. Your battery must have at least 3 volts in order to be able to be charged.
The charger has safety features built in. If the charger can not detect that it is connected to a battery, then it will not send a Voltage through the cables.
No, but the higher the Ah the battery is, the longer it will take to charge the battery.
Auto shops test your battery for current under load. It will only show if the car will start. Your battery may still need to be charged longer to fully charge the battery.
Yes, please use the SLA setting, NOT the Li-Ion setting.
When our 4 amp maintainer shows an error message immediately, it indicates a bad battery or the voltage of the battery is below 4 volts.
No. The charger maintainer will only work with 6V and 12V batteries.